20222120120111 has 32 divisors (see below), whose sum is σ = 25258991643648. Its totient is φ = 15762266714880.

The previous prime is 20222120120087. The next prime is 20222120120123. The reversal of 20222120120111 is 11102102122202.

It is not a de Polignac number, because 20222120120111 - 2¹⁰ = 20222120119087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20222120120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222120120131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7069715 + ... + 9509211.

It is an arithmetic number, because the mean of its divisors is an integer number (789343488864).

Almost surely, 2^{20222120120111} is an apocalyptic number.

20222120120111 is a deficient number, since it is larger than the sum of its proper divisors (5036871523537).

20222120120111 is a wasteful number, since it uses less digits than its factorization.

20222120120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440871.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20222120120111 its reverse (11102102122202), we get a palindrome (31324222242313).

The spelling of 20222120120111 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".